no interfaces have a carrier
[ 48.162861][ T3918] 8021q: adding VLAN 0 to HW filter on device bond0
[ 48.172482][ T3918] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting crond: OK
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.236' (ED25519) to the list of known hosts.
executing program
syzkaller login: [ 73.361827][ T4249] loop0: detected capacity change from 0 to 32768
[ 73.374611][ T4249] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 73.383014][ T4249] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 73.412200][ T4249] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 1ms
[ 73.422566][ T127] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 73.429536][ T127] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 73.475066][ T127] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 45ms
[ 73.485351][ T127] gfs2: fsid=syz:syz.0: jid=0: Done
[ 73.491102][ T4249] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 73.786796][ T4249] ------------[ cut here ]------------
[ 73.793673][ T4249] WARNING: CPU: 1 PID: 4249 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x95d/0x11e0
[ 73.804091][ T4249] Modules linked in:
[ 73.808034][ T4249] CPU: 1 PID: 4249 Comm: syz-executor419 Not tainted 6.1.140-syzkaller #0
[ 73.816656][ T4249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 73.826773][ T4249] RIP: 0010:__folio_mark_dirty+0x95d/0x11e0
[ 73.832720][ T4249] Code: e9 6a f8 ff ff e8 a3 8c d2 ff 0f 0b e9 bb f8 ff ff e8 97 8c d2 ff 48 89 df 48 8b 74 24 18 e8 9a c5 2a 00 eb a6 e8 83 8c d2 ff <0f> 0b 43 80 3c 2c 00 0f 85 76 fb ff ff e9 79 fb ff ff 89 c2 80 e2
[ 73.852381][ T4249] RSP: 0018:ffffc90003ca78f8 EFLAGS: 00010093
[ 73.858493][ T4249] RAX: ffffffff81ae4a8d RBX: ffffea0000bd8cc0 RCX: ffff8880307ad940
[ 73.866495][ T4249] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 73.874482][ T4249] RBP: 0000000000000001 R08: dffffc0000000000 R09: ffffed10046347d0
[ 73.882460][ T4249] R10: ffffed10046347d0 R11: 1ffff110046347cf R12: 1ffff110046347cf
[ 73.890460][ T4249] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880231a3e78
[ 73.898453][ T4249] FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[ 73.907393][ T4249] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 73.913984][ T4249] CR2: 00007fc5f87b7130 CR3: 000000000c68e000 CR4: 00000000003506e0
[ 73.921977][ T4249] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 73.930044][ T4249] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 73.938107][ T4249] Call Trace:
[ 73.941392][ T4249]
[ 73.944332][ T4249] ? folio_mapping+0x1ba/0x4d0
[ 73.949115][ T4249] mark_buffer_dirty+0x33f/0x7a0
[ 73.954113][ T4249] gfs2_unpin+0x125/0x9a0
[ 73.958458][ T4249] ? log_pull_tail+0x7f/0x370
[ 73.963157][ T4249] buf_lo_after_commit+0x15a/0x1a0
[ 73.968287][ T4249] ? buf_lo_before_commit+0xf0/0xf0
[ 73.973501][ T4249] gfs2_log_flush+0x10be/0x24e0
[ 73.978379][ T4249] ? unregister_shrinker+0x225/0x310
[ 73.983776][ T4249] ? gfs2_ail_empty_tr+0x2f0/0x2f0
[ 73.988907][ T4249] ? unregister_shrinker+0x24e/0x310
[ 73.994220][ T4249] ? unregister_shrinker+0x24e/0x310
[ 73.999535][ T4249] ? kfree+0x30/0x190
[ 74.003533][ T4249] gfs2_kill_sb+0x50/0xd0
[ 74.007910][ T4249] deactivate_locked_super+0x93/0xf0
[ 74.013209][ T4249] cleanup_mnt+0x463/0x4f0
[ 74.017640][ T4249] ? lockdep_hardirqs_on+0x94/0x140
[ 74.022893][ T4249] task_work_run+0x1ca/0x250
[ 74.027528][ T4249] ? task_work_cancel+0x230/0x230
[ 74.032566][ T4249] ? do_exit+0x931/0x2400
[ 74.036911][ T4249] ? kmem_cache_free+0xf7/0x290
[ 74.041778][ T4249] do_exit+0x936/0x2400
[ 74.045977][ T4249] ? put_task_struct+0x80/0x80
[ 74.050754][ T4249] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 74.056788][ T4249] ? lock_chain_count+0x20/0x20
[ 74.061655][ T4249] ? _raw_spin_lock_irq+0xab/0xe0
[ 74.066696][ T4249] ? _raw_spin_lock_irqsave+0xf0/0xf0
[ 74.072086][ T4249] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 74.078085][ T4249] ? _raw_spin_unlock_irq+0x1f/0x40
[ 74.083299][ T4249] ? lockdep_hardirqs_on+0x94/0x140
[ 74.088521][ T4249] do_group_exit+0x217/0x2d0
[ 74.093217][ T4249] __x64_sys_exit_group+0x3b/0x40
[ 74.098261][ T4249] do_syscall_64+0x4c/0xa0
[ 74.102700][ T4249] ? clear_bhb_loop+0x60/0xb0
[ 74.107415][ T4249] ? clear_bhb_loop+0x60/0xb0
[ 74.112104][ T4249] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 74.118014][ T4249] RIP: 0033:0x7fc5f8704b09
[ 74.122447][ T4249] Code: Unable to access opcode bytes at 0x7fc5f8704adf.
[ 74.129473][ T4249] RSP: 002b:00007ffe1a48fab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 74.137919][ T4249] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc5f8704b09
[ 74.145903][ T4249] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[ 74.153882][ T4249] RBP: 00007fc5f87b92b0 R08: ffffffffffffffb8 R09: 0000000000000006
[ 74.161895][ T4249] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5f87b92b0
[ 74.169891][ T4249] R13: 0000000000000000 R14: 00007fc5f87ba020 R15: 00007fc5f86d3060
[ 74.177889][ T4249]
[ 74.180931][ T4249] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 74.188209][ T4249] CPU: 1 PID: 4249 Comm: syz-executor419 Not tainted 6.1.140-syzkaller #0
[ 74.196779][ T4249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 74.206949][ T4249] Call Trace:
[ 74.210233][ T4249]
[ 74.213171][ T4249] dump_stack_lvl+0x168/0x22e
[ 74.217864][ T4249] ? memcpy+0x3c/0x60
[ 74.221857][ T4249] ? show_regs_print_info+0x12/0x12
[ 74.227072][ T4249] ? load_image+0x3b0/0x3b0
[ 74.231609][ T4249] panic+0x2c9/0x710
[ 74.235544][ T4249] ? bpf_jit_dump+0xd0/0xd0
[ 74.240077][ T4249] __warn+0x2f8/0x4f0
[ 74.244077][ T4249] ? __folio_mark_dirty+0x95d/0x11e0
[ 74.249843][ T4249] ? __folio_mark_dirty+0x95d/0x11e0
[ 74.255142][ T4249] report_bug+0x2ba/0x4f0
[ 74.259490][ T4249] ? __folio_mark_dirty+0x95d/0x11e0
[ 74.264793][ T4249] handle_bug+0x3a/0x70
[ 74.268965][ T4249] exc_invalid_op+0x16/0x40
[ 74.273572][ T4249] asm_exc_invalid_op+0x16/0x20
[ 74.278444][ T4249] RIP: 0010:__folio_mark_dirty+0x95d/0x11e0
[ 74.284352][ T4249] Code: e9 6a f8 ff ff e8 a3 8c d2 ff 0f 0b e9 bb f8 ff ff e8 97 8c d2 ff 48 89 df 48 8b 74 24 18 e8 9a c5 2a 00 eb a6 e8 83 8c d2 ff <0f> 0b 43 80 3c 2c 00 0f 85 76 fb ff ff e9 79 fb ff ff 89 c2 80 e2
[ 74.303972][ T4249] RSP: 0018:ffffc90003ca78f8 EFLAGS: 00010093
[ 74.310059][ T4249] RAX: ffffffff81ae4a8d RBX: ffffea0000bd8cc0 RCX: ffff8880307ad940
[ 74.318062][ T4249] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 74.326075][ T4249] RBP: 0000000000000001 R08: dffffc0000000000 R09: ffffed10046347d0
[ 74.334059][ T4249] R10: ffffed10046347d0 R11: 1ffff110046347cf R12: 1ffff110046347cf
[ 74.342043][ T4249] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880231a3e78
[ 74.350028][ T4249] ? __folio_mark_dirty+0x95d/0x11e0
[ 74.355370][ T4249] ? __folio_mark_dirty+0x95d/0x11e0
[ 74.360691][ T4249] ? folio_mapping+0x1ba/0x4d0
[ 74.365532][ T4249] mark_buffer_dirty+0x33f/0x7a0
[ 74.370509][ T4249] gfs2_unpin+0x125/0x9a0
[ 74.374856][ T4249] ? log_pull_tail+0x7f/0x370
[ 74.379553][ T4249] buf_lo_after_commit+0x15a/0x1a0
[ 74.384700][ T4249] ? buf_lo_before_commit+0xf0/0xf0
[ 74.389918][ T4249] gfs2_log_flush+0x10be/0x24e0
[ 74.394787][ T4249] ? unregister_shrinker+0x225/0x310
[ 74.400096][ T4249] ? gfs2_ail_empty_tr+0x2f0/0x2f0
[ 74.405223][ T4249] ? unregister_shrinker+0x24e/0x310
[ 74.410519][ T4249] ? unregister_shrinker+0x24e/0x310
[ 74.415813][ T4249] ? kfree+0x30/0x190
[ 74.419804][ T4249] gfs2_kill_sb+0x50/0xd0
[ 74.424142][ T4249] deactivate_locked_super+0x93/0xf0
[ 74.429441][ T4249] cleanup_mnt+0x463/0x4f0
[ 74.433872][ T4249] ? lockdep_hardirqs_on+0x94/0x140
[ 74.439093][ T4249] task_work_run+0x1ca/0x250
[ 74.443695][ T4249] ? task_work_cancel+0x230/0x230
[ 74.448734][ T4249] ? do_exit+0x931/0x2400
[ 74.453078][ T4249] ? kmem_cache_free+0xf7/0x290
[ 74.457942][ T4249] do_exit+0x936/0x2400
[ 74.462123][ T4249] ? put_task_struct+0x80/0x80
[ 74.466901][ T4249] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 74.472897][ T4249] ? lock_chain_count+0x20/0x20
[ 74.477760][ T4249] ? _raw_spin_lock_irq+0xab/0xe0
[ 74.482799][ T4249] ? _raw_spin_lock_irqsave+0xf0/0xf0
[ 74.488186][ T4249] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 74.494637][ T4249] ? _raw_spin_unlock_irq+0x1f/0x40
[ 74.499867][ T4249] ? lockdep_hardirqs_on+0x94/0x140
[ 74.505096][ T4249] do_group_exit+0x217/0x2d0
[ 74.509732][ T4249] __x64_sys_exit_group+0x3b/0x40
[ 74.514793][ T4249] do_syscall_64+0x4c/0xa0
[ 74.519254][ T4249] ? clear_bhb_loop+0x60/0xb0
[ 74.523957][ T4249] ? clear_bhb_loop+0x60/0xb0
[ 74.528653][ T4249] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 74.534572][ T4249] RIP: 0033:0x7fc5f8704b09
[ 74.539082][ T4249] Code: Unable to access opcode bytes at 0x7fc5f8704adf.
[ 74.546102][ T4249] RSP: 002b:00007ffe1a48fab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 74.554527][ T4249] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc5f8704b09
[ 74.562520][ T4249] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[ 74.570554][ T4249] RBP: 00007fc5f87b92b0 R08: ffffffffffffffb8 R09: 0000000000000006
[ 74.578537][ T4249] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5f87b92b0
[ 74.586511][ T4249] R13: 0000000000000000 R14: 00007fc5f87ba020 R15: 00007fc5f86d3060
[ 74.594501][ T4249]
[ 74.597795][ T4249] Kernel Offset: disabled
[ 74.602276][ T4249] Rebooting in 86400 seconds..